Answer:

feedback

Answer	Crossword Clue
FEEDBACK	Completed surveys, e.g.
FEEDBACK	Focus group output
FEEDBACK	Amplifying problem.

FEEDBACK	Annoying mike effect
FEEDBACK	Questionnaire response
FEEDBACK	Survey response
FEEDBACK	Responses

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.